A patient presents with severe redness and ulcers (thrush) in the mouth associated with an overgrowth of Candida albicans of yeast infection. The most likely cause of this condition is:

A. food poisoning
B. a stomach ulcer
C. kissing a partner with yeast infection
D. antibiotic therapy
E. sharing tooth brush of person with yeast infection


Ans: D. antibiotic therapy

Biology & Microbiology

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The smallest type of genetic change that can occur within a given gene is called _______ an example of this phenomenon occurs with ___________.

A. gene transfer; chromosomal deletion. B. single-nucleotide polymorphism; the ?-globin gene. C. synaptic transfer; mitosis. D. double-nucleotide polymorphism; phenylketonuria. E. All of these are correct.

Biology & Microbiology

These white blood cells attack virus-infected cells in the body

A) helper T cells B) cytotoxic T cells C) suppressor T cells D) plasma cells

Biology & Microbiology

Infection with the fungus Coccidioides immitis is commonly diagnosed using a(n) ________ assay

A) precipitation B) immunoblot C) direct fluorescent antibody D) hemagglutination inhibition E) neutralization

Biology & Microbiology

The term for evolutionary change in one species affecting selective conditions for a second species is known as:

a. evolutionary arms race. c. antagonistic pleiotropy. b. coevolution. d. trade-off.

Biology & Microbiology